feat!: limit the max tx size to 2 MiB #5981

Job	Run time
lint / golangci-lint	2m 46s
goreleaser / goreleaser-check	1m 38s
lint / yamllint	5s
markdown-linter / markdown-link-check	2m 12s
markdown-linter / markdown-lint	7s
test / test	11m 18s
test / test-coverage	5m 8s
test / test-fuzz	5m 54s
test / test-race	11m 25s
test / test-short	4m 3s
lint / hadolint / hadolint	7s
goreleaser / goreleaser	0s
	44m 43s

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